Rubber composition and pneumatic tire
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United States of America Patent
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Sep 1, 2015
Grant Date -
Sep 18, 2014
app pub date -
Jun 26, 2012
filing date -
Nov 24, 2011
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Abstract
Provided are a rubber composition achieving balanced improvement in processability, fuel economy, rubber strength, abrasion resistance, and wet-grip performance, and a pneumatic tire thereof. The rubber composition includes a conjugated diene polymer and a silica having N2SA of 40-400 m2/g, the polymer being obtained by polymerizing a monomer component including a conjugated diene compound and a silicon-containing vinyl compound in the presence of a polymerization initiator of formula (I):
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